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Sound is vibration of (mostly air) molecules. Humans hear sounds from about 20 Hz (=20 vibrations per second, deepest bass) to about 20.000 Hz (20.000 vibrations per sec., very high sizzling) The vibration is tranmitted from the air to your ear and your brain interprets it as a sound. So actually YOU make a sound a sound :-)

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16y ago

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